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+01 (414) 230 - 5550
We are trusted Ruby on Rails
software development partner


Years of experience


Software Projects
Design and build an end-to-end web and mobile application with a fully-fledged team.
Staff Augmentation
Augment your in-house team with developers for expertise, capacity and speed.
Mentoring & Workshops
Boost your developers’ skills with mentoring & workshops delivered by our experts.
Clients trust us
For over 12 years we have successfully facilitated software outsourcing for clients in Europe and United States, delivering ambitious and compelling web and mobile applications throughout a wide variety of business domains and industries.

Selleo have allowed us to quickly scale our existing teams with additional developers, often within a couple of weeks. They're a pleasure to work with and have always delivered outstanding quality!

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Jan Thomas

Director of Product, Game Genetics, Germany

Selleo has been a great partner for us since day one. They provide a team of skilled and professional developers that are self going, engaged and well organised. We often recommend Selleo highly to other partners and associates.

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Antony Sastre

CTO, Battleriff, Sweden

I look for 5 key things in a software development partner: great programmers, consistent quality, excellent value, a responsive management team, and a fun experience. Selleo is a solid 5 out of 5 by my standards.

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Myron Weber

CEO, Northwood Advisors, The USA

Work with passionate and diligent Ruby developers
who leverage the power of Ruby on Rails in web apps
Hire expert developers to craft your RoR software
Get in touch with us

Contact us to discuss how 

we can help you with your

next project